... ; 3.Anti-electromagnetism interference,anti-vibration.. Combination MetersStructure:1.Step motor driven type;2.Including speedometer,hours meter,air press ... power supply,high beam,low beam,parking brake,clearance lamp,four-wheel brake.Characteristics:1.Accurate indicating;2.Good performance ... ,harvester,wheel loader and other agricultural machinery. Combination Meters(step motor driven type)